Best available cop



BEST AVAlLABLE COP (No Model.)

B. A. RIPLEY 8: J. BRIDGPORD.

MAGNETIC ORE SEPARATOR.

110.306,?78; Patented Oct. 21, 1884.

wii'ness'efl gi g BEST AVAILABLE COP- Unitarian STATES PATENT Garte ROBERT A. RIPLEY, OFiNFiV YORK, AND JOHN Blil I )G l! RD, )F ALUAXY, N, Y. M'AGNETlCORE-SEPA RATO R.

ZEECIPICATION forming part of Letters Patent No. 306,778, dated October 21, 1884.

i I pplication filed Deccmberl8. 1853. (No model.)

To all IL'ZLOHZ/ it may concern: i nets F and G, which may be made of any de- Be it known that we, i-o'nmrr A. fl-lirmn', sired form, and are fastened and-held in any and JOIIN BRIDGFORD, citizens of the United desired position upon the said axis by set- 55 3 States, and residing. respectively, atthe city, l screws K. The wires that lead to and from i 5 county, and State of New York, and at the i the battery or generator extend out through city of Albany, county of Albany, and State 1 the said-fixed axis or tube, as represented; so of New'York, have invented a certain new and i that the said magnets are constantly in action. improved Magnetic Ore-Separator, of which ;the following is a specification. I 'lhisinvention pertainsto certainspec'ialiniprovements in the construction of magnetic oresepaiatois; and it consists, chiefly, in the combiuatiomwith .a revolving cylinder, of spikes of said magnets are in close proximity to-the interior'of the heads 'of the metallic spikes, which maybe screws extending, through the wooden staves of the cylinder, there will be a magnetic field formed upon the exterior pro- 65 or projections upon its 'periphery,0ver which jeetions of said spikes-for the purpose of col- -i;5 the ore in a finelypulverized condition is perleeting the orc upon them as it falls upon the mittedlto fall in a sheet,aud one or more pairs ,5 periphery of the cylinder,and as the cylinder of stationary electro-magncts within the cy1 slowly revolves over-said field the ore colleetinder, as hereinafterparticularly described, i ed and held by the spikeswill brcarried over and pointed out in the claims. In the interior or under, as the case may be, out of the way of said cylinder isarrauged one or more pairs of the descending current ot'pulrerized matcof electromaguets, having their surfaces 10- rial, and al'terit passcslhejsaid magnetic field catedinsuch n'oximit-ytotheprojcctingspikcs it will then ceascto' be attached upon the or points on t-he'extcrior that they will become spikes, and will. drop therefrom or be scpa magnetized, so as to attract thcmctallic por- I rated from contact therewith. tions of-thc orein its descent upon them, and The form of magnctsas represented at Figs. 1 carry it around in its rotation outof the'do- .l and also at 5 are merely nmdilieations ol' scending stream ol'gangue or waste products. i well-known forms of magnets, corresponding Figure 1 represents a transverse section of l substantially to what is known as the liorsethe cylinder with one pair of electro-maguets shoc-magimt,"and the polosarc mounted upon ,30 arranged upon thc stationary axle in the inarms which extend outfrom the support fast terior. Fig. 2 is a. longitudinal section of the cued upon ihcstationaryaxis. in these modicylinder. Fig. 3 is a iers iectivcvicw rcpreiications the poles extend longitudimilly in -sentinpga modilied construction otTinaguet-s as opposite directions from the arms to which 3- supported upon the stationary axle. Fig. 4; they are connected, so as thereby to reverse is a pers wctivc view of thcmagners shownin :the poles, the chit-plv ilflillg to equalize the Fig. 1. Fig. 5 is another view, in which the magnetic l'orecol'lhenmgnctsoverlheinlerior magnetic poles are represented as arranged i surl'ace ol'thc q'lindcr. circumferentially with respect to the axle,hut 'llic magnets represented at Fig. ;l are the 0 also embodying the same principle of 0011- ,same as those represented in Figs. land 3. 40 siruction. A p haying their arms vxiendingthc entire length At- Ais represented the cylinder, which may 5 of the surface cons-l il ntiny; tlumagnciiv lield. Deformed ofwoodoranyothersubstanee which lly using ordinary soil -i1'u|i screws or spikes is a non-condnctor,.and may consistof stares ofa similarcharacter it is cridcni that av very supported upon wooden heads, as at I3,which large extent of magnetic surface can he pro- '45 are provided with bearings at G, for revolvi duced for the purpose of separating the ore ing'upon the hollow shaft, as at D, said shaftfrom the gangnc, and by such a construction or axis being supported i'n-any suitable manan Ore-separating machine may be made very ner, as upon pedestals,upon a framc'orother- I cheaply, and at the same time ry l-l'licient in I l I I00 wise. Upon one. of the sleeves connected with its operation.

; the cylinder isa pul1ey,:as at E, by which mo- We claim tirfnmay be given to the cylinder. Upon the 1. In an ore-separator, the combination ot'.-' ,smd hollow axis aremounted the electro-maga revolving cylinder having anon-conducting while such connection exists, and as the poles periphery, extending magnets mounted in a fixed position within the cylinder and in proxnnity to said projections,

' "5 and means the sziid proj net-i0 field, 2. In an for revolving the cylinder to carry ections into and out of the mag-- 'OFG-SQDEI'PHtOI, the combination of.

a revolving cylinder having a non-conducting 1o periphery,

tending from the periphery of the cylinder, i

,'I substantially as described. i

aseries of soft-iron [)IOJGCUODS ex- 5 1 and magnets mounted in astzitioi'iary position 1 5 T AVAILABLE within the eyiindeiywith their poles extended longitudinally in opposite directions from the arms to which they are connected, substantially as described. V

In witness whereof we have hereunto snbscrihed our names and afiixed our seals in the presence oftwo subscribing witnesses. ROBERT A. RIPLEY. [11.5.]

JOHN .BRIDGFORD. [1 sL] Witnesses:

EUGENE Enron; HARRY L. Eon-inns. 

